Figure 4. 
Deciduous woodland (low return (dark) on LANDSAT image) grading 
into tree savanna (high return, LANDSAT image) in hills south 
of Fazao and west of Sotouboua, Togo. (A) X-band (3.0 cm) radar 
image, October, 1977. (B) LANDSAT, band 5, December, 1975.